@Override public Module getModule() { if (!isValid()) return null; VirtualFile virtualFile = getFile(); if (virtualFile == null) return null; ProjectRootManager projectRootManager = ProjectRootManager.getInstance(getProject()); ProjectFileIndex fileIndex = projectRootManager.getFileIndex(); return fileIndex.getModuleForFile(virtualFile); }
private boolean isExcludeRoot(VirtualFile file) { VirtualFile parent = file.getParent(); if (parent == null) return false; Module module = myProjectRootManager.getFileIndex().getModuleForFile(parent); if (module == null) return false; VirtualFile[] excludeRoots = ModuleRootManager.getInstance(module).getExcludeRoots(); for (VirtualFile root : excludeRoots) { if (root.equals(file)) return true; } return false; }
@Override public OrderEntry getLibraryEntry() { if (!isValid()) return null; PsiFile psiFile = getPsiFile(); VirtualFile virtualFile = getFile(); if (virtualFile == null) return null; ProjectRootManager projectRootManager = ProjectRootManager.getInstance(getProject()); ProjectFileIndex fileIndex = projectRootManager.getFileIndex(); if (psiFile instanceof PsiCompiledElement || fileIndex.isInLibrarySource(virtualFile)) { List<OrderEntry> orders = fileIndex.getOrderEntriesForFile(virtualFile); for (OrderEntry order : orders) { if (order instanceof LibraryOrderEntry || order instanceof JdkOrderEntry) { return order; } } } return null; }
@NotNull @Override public Collection<String> getNonTrivialPackagePrefixes() { Set<String> names = myNontrivialPackagePrefixes; if (names == null) { names = new HashSet<>(); final ProjectRootManager rootManager = ProjectRootManager.getInstance(myManager.getProject()); final List<VirtualFile> sourceRoots = rootManager.getModuleSourceRoots(JavaModuleSourceRootTypes.SOURCES); final ProjectFileIndex fileIndex = rootManager.getFileIndex(); for (final VirtualFile sourceRoot : sourceRoots) { if (sourceRoot.isDirectory()) { final String packageName = fileIndex.getPackageNameByDirectory(sourceRoot); if (packageName != null && !packageName.isEmpty()) { names.add(packageName); } } } myNontrivialPackagePrefixes = names; } return names; }